diff --git a/ChangeLog b/ChangeLog
index 8122927..6e04c05 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,9 @@
 2013-10-18  Duilio Protti  <dprotti@users.sourceforge.net>
 
-	Repository moved to Github
+	* Repository moved to Github
 	https://github.com/dprotti/infinity-plugin
+	* configure.ac: version bumped to 0.8.0beta1. Build fix for Ubuntu
+	on AMD64.
 
 2011-11-25  Duilio Protti  <dprotti@users.sourceforge.net>
 
diff --git a/configure.ac b/configure.ac
index b0d7169..770fa3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 ## Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)
-AC_INIT([Infinity plugin],[0.7.1],[dprotti@users.sourceforge.net],[infinity-plugin-4-audacious])
+AC_INIT([Infinity plugin],[0.8.0beta1],[dprotti@users.sourceforge.net],[infinity-plugin-4-audacious])
 AM_INIT_AUTOMAKE([1.9.0 dist-bzip2])
 
 INF_MSG_MMX_NOT_ALLOWED="
@@ -208,6 +208,16 @@ fi
 
 AC_SUBST(INF_CFLAGS_EXTRA)
 
+AC_CHECK_FILE("${prefix}/lib/x86_64-linux-gnu/libSDL.so",
+# Ubuntu on AMD64 puts libraries into x86_64-linux-gnu/
+  libdir="${libdir}/x86_64-linux-gnu/audacious/Visualization",
+  libdir="${libdir}/audacious/Visualization"
+)
+
+pkglibdir="${libdir}"
+AC_SUBST(libdir)
+AC_SUBST(pkglibdir)
+
 AC_CONFIG_FILES([Makefile
 		 po/Makefile.in
                  src/Makefile])
@@ -218,7 +228,7 @@ echo "
 Infinity Plugin for the Audacious Player -- version $VERSION
 =========================================================
 
-Install path           : ${prefix}/lib/audacious/Visualization
+Install path           : ${libdir}
 Compiler               : ${CC}
 CFLAGS		       : ${INF_CFLAGS_EXTRA} ${CFLAGS}
 Debug enabled          : ${debug}
diff --git a/src/Makefile.am b/src/Makefile.am
index 3578393..f1207e6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -3,11 +3,9 @@
 lib_LTLIBRARIES = libinfinite.la
 data_DATA = infinite_states
 
-libdir = $(prefix)/lib/audacious/Visualization
 datadir = $(prefix)/share/audacious
 
-# translations go in the infinity's own directory
-# not in xmms directory
+# translations go into infinity's own directory not in audacious directory
 infinity_datadir = @datadir@
 localedir = $(infinity_datadir)/locale
 DEFS = -DLOCALEDIR=\"$(localedir)\" @DEFS@